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Briggs Filtration Co
Briggs Fil
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3209916A
Filter construction
Expired / Lapsed
1961-10-04
1965-10-05
2
Details
US2959289A
Filter and dehydrator
Expired / Lapsed
1956-04-04
1960-11-08
0
Details
US2444347A
Method of treating glass wool and product resulting therefr…
Expired / Lapsed
1944-06-02
1948-06-29
0
Details
US2401039A
Filtering device
Expired / Lapsed
1942-02-14
1946-05-28
0
Details